:root {
    --primary: #1a1a1a;
    --accent: #c9a962;
    --bg: #ffffff;
    --bg-warm: #faf8f5;
    --text: #333;
    --text-light: #777;
    --border: #e8e8e8;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
    --radius: 12px;
    --font-jp: 'Noto Sans JP', sans-serif;
    --font-en: 'Outfit', sans-serif;
    --font-serif: 'Cormorant Garamond', serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-jp);
    color: var(--text);
    background: var(--bg);
    line-height: 1.8;
    font-size: 15px;
}

h1, h2, h3, h4 {
    font-family: var(--font-en);
    color: var(--primary);
    letter-spacing: 0.02em;
    font-weight: 500;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.center { text-align: center; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    letter-spacing: 0.05em;
}

.btn-sm { padding: 10px 24px; font-size: 0.85rem; }
.btn-lg { padding: 18px 48px; font-size: 1rem; }

.btn-primary {
    background: var(--primary);
    color: #fff;
    border: 1px solid var(--primary);
}

.btn-primary:hover {
    background: transparent;
    color: var(--primary);
}

.btn-white {
    background: rgba(255,255,255,0.95);
    color: var(--primary);
    border: none;
}

.btn-white:hover {
    background: #fff;
    transform: translateY(-2px);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 16px 0;
    z-index: 100;
    background: rgba(50, 50, 50, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header .logo {
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: #fff;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    color: #fff;
    text-decoration: none;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    transition: color 0.3s;
    font-weight: 500;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.nav a:hover {
    color: var(--accent);
}

/* Hero */
.hero {
    position: relative;
    height: 100vh;
    max-height: 800px;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -2;
}

.hero-bg img {
    width: 100%; height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.5));
    z-index: -1;
}

.hero-content {
    text-align: center;
    padding: 0 20px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.hero-tagline {
    font-family: var(--font-en);
    font-size: 0.9rem;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    opacity: 0.9;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 400;
    line-height: 1.4;
    margin-bottom: 20px;
    letter-spacing: 0.05em;
    color: #fff;
}

.hero-desc {
    font-size: 1rem;
    margin-bottom: 32px;
    opacity: 0.9;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255,255,255,0.5);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator span::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: #fff;
    border-radius: 2px;
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 20px; }
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s forwards;
}
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeInUp {
    to { opacity: 1; transform: translateY(0); }
}

/* Section */
.section { padding: 100px 0; }

.bg-warm { background: var(--bg-warm); }

.section-header { margin-bottom: 50px; }

.section-subtitle {
    font-family: var(--font-en);
    font-size: 0.75rem;
    color: var(--accent);
    letter-spacing: 0.2em;
    display: block;
    margin-bottom: 12px;
    font-weight: 500;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    margin-bottom: 12px;
    font-weight: 400;
}

.section-desc {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Card */
.card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: all 0.4s ease;
}

.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.card-image {
    overflow: hidden;
    aspect-ratio: 9/12;
}

.card-image.square {
    aspect-ratio: 1/1;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: 16px 20px;
    text-align: center;
}

.card-content h4 {
    font-family: var(--font-en);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    margin-bottom: 4px;
    color: var(--accent);
}

.card-content p {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

/* How to Use */
.howto-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.howto-text .section-title {
    margin-top: 8px;
}

.howto-text p {
    margin: 20px 0;
    color: var(--text-light);
}

.feature-list {
    list-style: none;
    margin-top: 24px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-size: 0.95rem;
}

.check {
    color: var(--accent);
    font-weight: bold;
}

.howto-image {
    border-radius: var(--radius);
    overflow: hidden;
}

.howto-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Performance Section */
.performance-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.performance-image img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.performance-text .section-title {
    margin-top: 8px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 24px 0;
}

.stats-grid.stats-4col {
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.stats-grid.stats-3col {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.stat-item {
    text-align: center;
    padding: 16px 12px;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.stat-number {
    font-family: var(--font-en);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--accent);
    display: block;
    line-height: 1;
}

.stat-number-text {
    font-family: var(--font-en);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--accent);
    display: block;
    line-height: 1.3;
}

.stat-number small {
    font-size: 1rem;
    color: var(--text);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 6px;
    display: block;
    white-space: nowrap;
}

.performance-desc {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* Gift Grid */
.gift-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.pricing-card.featured {
    border: 2px solid var(--accent);
}

.pricing-badge {
    position: absolute;
    top: 16px;
    right: -32px;
    background: var(--accent);
    color: #fff;
    padding: 4px 40px;
    font-size: 0.75rem;
    font-weight: 500;
    transform: rotate(45deg);
}

.pricing-header {
    padding: 32px 24px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.plan-label {
    font-family: var(--font-en);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    color: var(--text-light);
    display: block;
    margin-bottom: 8px;
}

.pricing-header h4 {
    font-family: var(--font-jp);
    font-size: 1.2rem;
    font-weight: 600;
}

.pricing-body {
    padding: 32px 24px;
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.price {
    margin-bottom: 24px;
}

.price .currency {
    font-size: 1.2rem;
    vertical-align: top;
    color: var(--primary);
}

.price .amount {
    font-family: var(--font-en);
    font-size: 3rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.price .period {
    font-size: 1rem;
    color: var(--text-light);
}

.price .tax {
    display: block;
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 4px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 24px;
}

.pricing-features li {
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text);
}

.pricing-note {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 16px;
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}

/* CTA */
.cta {
    background: linear-gradient(135deg, var(--primary) 0%, #333 100%);
    color: #fff;
    padding: 80px 0;
}

.cta h3 {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: #fff;
    margin-bottom: 12px;
}

.cta p {
    opacity: 0.8;
    margin-bottom: 32px;
}

.cta .btn-primary {
    background: #fff;
    color: var(--primary);
    border-color: #fff;
}

.cta .btn-primary:hover {
    background: transparent;
    color: #fff;
}

/* Footer */
.footer {
    background: var(--primary);
    color: #fff;
    padding: 48px 0;
}

.footer-logo {
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.copyright {
    font-size: 0.75rem;
    opacity: 0.5;
}

.contact-links {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin: 24px 0;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.contact-btn.line {
    background: #06C755;
    color: #fff;
}

.contact-btn.line:hover {
    background: #05a847;
}

.contact-btn.email {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.3);
}

.contact-btn.email:hover {
    background: rgba(255,255,255,0.2);
}

/* Responsive */
@media (max-width: 992px) {
    .nav { display: none; }

    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .howto-wrapper,
    .performance-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .howto-text,
    .performance-text {
        text-align: center;
    }

    .feature-list {
        display: inline-block;
        text-align: left;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
}

@media (max-width: 768px) {
    .hero-title { font-size: 2rem; }
    .section { padding: 60px 0; }
    .section-title { font-size: 1.5rem; }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .gift-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .stats-grid.stats-3col {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-number-text {
        font-size: 1rem;
    }

    .stat-label {
        font-size: 0.65rem;
    }

    .contact-links {
        flex-direction: column;
        gap: 12px;
    }

    .contact-btn {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    html, body {
        overflow-x: hidden;
    }

    .container {
        padding: 0 16px;
    }

    .hero-title { font-size: 1.6rem; }
    .hero-desc { font-size: 0.85rem; }
    .section { padding: 50px 0; }
    .section-title { font-size: 1.3rem; }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .card-content {
        padding: 12px;
    }

    .card-content h4 {
        font-size: 0.8rem;
    }

    .card-content p {
        font-size: 0.7rem;
    }

    .gift-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid.stats-3col {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .stat-item {
        padding: 16px;
    }

    .pricing-card {
        margin: 0;
    }

    .pricing-header {
        padding: 24px 16px 16px;
    }

    .pricing-body {
        padding: 24px 16px;
    }

    .price .amount {
        font-size: 2.5rem;
    }

    .footer {
        padding: 40px 0;
    }
}